package com.example.toolsdemo.common;

import com.example.toolsdemo.enums.ResponseCode;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;

import java.io.Serializable;
import java.util.HashMap;

/**
 * @author danyubin 
 */
//@JsonSerialize(include =  JsonSerialize.Inclusion.NON_NULL)
//保证序列化json的时候,如果是null的对象,key也会消失
@JsonInclude(JsonInclude.Include.NON_NULL)
public class ServerResponse<T> implements Serializable {

    private int status;
    private String msg;
    private T data;

    private ServerResponse(int status){
        this.status = status;
    }
    private ServerResponse(int status, T data){
        this.status = status;
        this.data = data;
    }

    private ServerResponse(int status, String msg, T data){
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    private ServerResponse(int status, String msg){
        this.status = status;
        this.msg = msg;
    }

    @JsonIgnore
    //使之不在json序列化结果当中
    public boolean isSuccess(){
        return this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus(){
        return status;
    }
    public T getData(){
        return data;
    }
    public String getMsg(){
        return msg;
    }


    public static <T> ServerResponse<T> success(){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode());
    }

    public static <T> ServerResponse<T> success(String msg){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg);
    }

    public static <T> ServerResponse<T> success(T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),data);
    }

    public static <T> ServerResponse<T> success(String msg,T data){
        return new ServerResponse<T>(ResponseCode.SUCCESS.getCode(),msg,data);
    }


    public static <T> ServerResponse<T> error(){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),ResponseCode.ERROR.getDesc());
    }


    public static <T> ServerResponse<T> error(String errorMessage){
        return new ServerResponse<T>(ResponseCode.ERROR.getCode(),errorMessage);
    }

    public static <T> ServerResponse<T> error(int errorCode,String errorMessage){
        return new ServerResponse<T>(errorCode,errorMessage);
    }

//    public static void main(String[] args) {
//        ServerResponse.success("123");
//        ServerResponse.success();
//        ServerResponse.success(new HashMap<String,String>());
//        ServerResponse.success("成功啦哈哈", new Object());
//    }
}
